/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 *
 */
package org.apache.asyncweb.server.resolver;

import org.apache.asyncweb.common.HttpRequest;

/**
 * Resolves the name of the <code>HttpService</code> to be used to service a
 * request.
 * 
 */
public interface ServiceResolver {

	/**
	 * Determines the name of the <code>HttpService</code> to be employed to
	 * service a given <code>HttpRequest</code>.<br/>
	 * 
	 * If no service can be resolved for the specified request, this method
	 * should return <code>null</code>.
	 * 
	 * @param request
	 *            The request for which a service name is required
	 * @return The name of the <code>HttpService</code> which should be used to
	 *         service the request, or <code>null</code> if no appropriate
	 *         service can be found
	 */
	public String resolveService(HttpRequest request);

}
